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net: add netlink_ext_ack argument to rtnl_link_ops.validate
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / bonding / bond_netlink.c
CommitLineData
0a2a78c4
JP		 1/*
2 * drivers/net/bond/bond_netlink.c - Netlink interface for bonding
3 * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
eecdaa6e 4 * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com>
0a2a78c4
JP		 5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
0a2a78c4
JP		 12#include <linux/module.h>
13#include <linux/errno.h>
14#include <linux/netdevice.h>
15#include <linux/etherdevice.h>
16#include <linux/if_link.h>
17#include <linux/if_ether.h>
18#include <net/netlink.h>
19#include <net/rtnetlink.h>
1ef8019b 20#include <net/bonding.h>
0a2a78c4 21
3bad540e
JP		 22static size_t bond_get_slave_size(const struct net_device *bond_dev,
23 const struct net_device *slave_dev)
24{
25 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_STATE */
26 nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */
27 nla_total_size(sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */
28 nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */
29 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */
30 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */
254cb6db 31 nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE */
46ea297e 32 nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */
3bad540e
JP		 33 0;
34}
35
36static int bond_fill_slave_info(struct sk_buff *skb,
37 const struct net_device *bond_dev,
38 const struct net_device *slave_dev)
1d3ee88a 39{
40 struct slave *slave = bond_slave_get_rtnl(slave_dev);
1d3ee88a 41
df7dbcbb 42 if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave)))
1d3ee88a 43 goto nla_put_failure;
44
df7dbcbb 45 if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link))
1d3ee88a 46 goto nla_put_failure;
47
df7dbcbb 48 if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT,
1d3ee88a 49 slave->link_failure_count))
50 goto nla_put_failure;
51
df7dbcbb 52 if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR,
1d3ee88a 53 slave_dev->addr_len, slave->perm_hwaddr))
54 goto nla_put_failure;
55
df7dbcbb 56 if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id))
1d3ee88a 57 goto nla_put_failure;
58
01844098 59 if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
3bad540e 60 const struct aggregator *agg;
254cb6db 61 const struct port *ad_port;
3bad540e 62
254cb6db 63 ad_port = &SLAVE_AD_INFO(slave)->port;
3fdddd85 64 agg = SLAVE_AD_INFO(slave)->port.aggregator;
254cb6db 65 if (agg) {
df7dbcbb 66 if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID,
1d3ee88a 67 agg->aggregator_identifier))
68 goto nla_put_failure;
254cb6db
NA		 69 if (nla_put_u8(skb,
70 IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE,
71 ad_port->actor_oper_port_state))
72 goto nla_put_failure;
46ea297e
NA		 73 if (nla_put_u16(skb,
74 IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE,
75 ad_port->partner_oper.port_state))
76 goto nla_put_failure;
254cb6db 77 }
1d3ee88a 78 }
79
80 return 0;
81
82nla_put_failure:
83 return -EMSGSIZE;
84}
85
90af2311
JP		 86static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
87 [IFLA_BOND_MODE] = { .type = NLA_U8 },
ec76aa49 88 [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
eecdaa6e 89 [IFLA_BOND_MIIMON] = { .type = NLA_U32 },
25852e29 90 [IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
c7461f9b 91 [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
9f53e14e 92 [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
06151dbc 93 [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
7f28fa10 94 [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
29c49482 95 [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
d5c84254 96 [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
0a98a0d1 97 [IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
8a41ae44 98 [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
89901972 99 [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
f70161c6 100 [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
d8838de7 101 [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
2c9839c1 102 [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
1cc0b1e3 103 [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
7d101008 104 [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
8d836d09 105 [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
c13ab3ff 106 [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
998e40bb 107 [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
ec029fac 108 [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
4ee7ac75 109 [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
171a42c3
AG		 110 [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 },
111 [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 },
112 [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY,
113 .len = ETH_ALEN },
0f7bffd9 114 [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 },
90af2311
JP		 115};
116
cea6aeb6
JP		 117static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
118 [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 },
119};
120
a8b8a889
MS		 121static int bond_validate(struct nlattr *tb[], struct nlattr *data[],
122 struct netlink_ext_ack *extack)
0a2a78c4
JP		 123{
124 if (tb[IFLA_ADDRESS]) {
125 if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
126 return -EINVAL;
127 if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
128 return -EADDRNOTAVAIL;
129 }
130 return 0;
131}
132
0f23124a
NA		 133static int bond_slave_changelink(struct net_device *bond_dev,
134 struct net_device *slave_dev,
135 struct nlattr *tb[], struct nlattr *data[])
136{
137 struct bonding *bond = netdev_priv(bond_dev);
138 struct bond_opt_value newval;
139 int err;
140
141 if (!data)
142 return 0;
143
144 if (data[IFLA_BOND_SLAVE_QUEUE_ID]) {
145 u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]);
146 char queue_id_str[IFNAMSIZ + 7];
147
148 /* queue_id option setting expects slave_name:queue_id */
149 snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n",
150 slave_dev->name, queue_id);
151 bond_opt_initstr(&newval, queue_id_str);
152 err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval);
153 if (err)
154 return err;
155 }
156
157 return 0;
158}
159
ad744b22
MS		 160static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
161 struct nlattr *data[],
162 struct netlink_ext_ack *extack)
90af2311
JP		 163{
164 struct bonding *bond = netdev_priv(bond_dev);
2b3798d5 165 struct bond_opt_value newval;
06151dbc 166 int miimon = 0;
90af2311
JP		 167 int err;
168
eecdaa6e 169 if (!data)
170 return 0;
171
172 if (data[IFLA_BOND_MODE]) {
90af2311
JP		 173 int mode = nla_get_u8(data[IFLA_BOND_MODE]);
174
2b3798d5
NA		 175 bond_opt_initval(&newval, mode);
176 err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
90af2311
JP		 177 if (err)
178 return err;
179 }
eecdaa6e 180 if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49
JP		 181 int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
182 struct net_device *slave_dev;
d1fbd3ed 183 char *active_slave = "";
ec76aa49 184
d1fbd3ed 185 if (ifindex != 0) {
ec76aa49
JP		 186 slave_dev = __dev_get_by_index(dev_net(bond_dev),
187 ifindex);
188 if (!slave_dev)
189 return -ENODEV;
d1fbd3ed 190 active_slave = slave_dev->name;
ec76aa49 191 }
d1fbd3ed
NA		 192 bond_opt_initstr(&newval, active_slave);
193 err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval);
ec76aa49
JP		 194 if (err)
195 return err;
196 }
eecdaa6e 197 if (data[IFLA_BOND_MIIMON]) {
06151dbc 198 miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e 199
b98d9c66
NA		 200 bond_opt_initval(&newval, miimon);
201 err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
eecdaa6e 202 if (err)
203 return err;
204 }
25852e29 205 if (data[IFLA_BOND_UPDELAY]) {
206 int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
207
e4994612
NA		 208 bond_opt_initval(&newval, updelay);
209 err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
25852e29 210 if (err)
211 return err;
212 }
c7461f9b 213 if (data[IFLA_BOND_DOWNDELAY]) {
214 int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
215
25a9b54a
NA		 216 bond_opt_initval(&newval, downdelay);
217 err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
c7461f9b 218 if (err)
219 return err;
220 }
9f53e14e 221 if (data[IFLA_BOND_USE_CARRIER]) {
222 int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
223
0fff0608
NA		 224 bond_opt_initval(&newval, use_carrier);
225 err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
9f53e14e 226 if (err)
227 return err;
228 }
06151dbc 229 if (data[IFLA_BOND_ARP_INTERVAL]) {
230 int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
231
232 if (arp_interval && miimon) {
a5f24542 233 netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n");
06151dbc 234 return -EINVAL;
235 }
236
7bdb04ed
NA		 237 bond_opt_initval(&newval, arp_interval);
238 err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
06151dbc 239 if (err)
240 return err;
241 }
7f28fa10 242 if (data[IFLA_BOND_ARP_IP_TARGET]) {
7f28fa10 243 struct nlattr *attr;
244 int i = 0, rem;
245
4fb0ef58 246 bond_option_arp_ip_targets_clear(bond);
7f28fa10 247 nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
f6c6fda4
TG		 248 __be32 target;
249
250 if (nla_len(attr) < sizeof(target))
251 return -EINVAL;
252
253 target = nla_get_be32(attr);
7f28fa10 254
a19a7ec8 255 bond_opt_initval(&newval, (__force u64)target);
4fb0ef58
NA		 256 err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
257 &newval);
258 if (err)
259 break;
260 i++;
261 }
262 if (i == 0 && bond->params.arp_interval)
a5f24542 263 netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");
7f28fa10 264 if (err)
265 return err;
266 }
29c49482 267 if (data[IFLA_BOND_ARP_VALIDATE]) {
268 int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
269
270 if (arp_validate && miimon) {
a5f24542 271 netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n");
29c49482 272 return -EINVAL;
273 }
274
16228881
NA		 275 bond_opt_initval(&newval, arp_validate);
276 err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
29c49482 277 if (err)
278 return err;
279 }
d5c84254 280 if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
281 int arp_all_targets =
282 nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
283
edf36b24
NA		 284 bond_opt_initval(&newval, arp_all_targets);
285 err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
d5c84254 286 if (err)
287 return err;
288 }
0a98a0d1 289 if (data[IFLA_BOND_PRIMARY]) {
290 int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
291 struct net_device *dev;
292 char *primary = "";
293
294 dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
295 if (dev)
296 primary = dev->name;
297
180222f0
NA		 298 bond_opt_initstr(&newval, primary);
299 err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
0a98a0d1 300 if (err)
301 return err;
302 }
8a41ae44 303 if (data[IFLA_BOND_PRIMARY_RESELECT]) {
304 int primary_reselect =
305 nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
306
388d3a6d
NA		 307 bond_opt_initval(&newval, primary_reselect);
308 err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
8a41ae44 309 if (err)
310 return err;
311 }
89901972 312 if (data[IFLA_BOND_FAIL_OVER_MAC]) {
313 int fail_over_mac =
314 nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
315
1df6b6aa
NA		 316 bond_opt_initval(&newval, fail_over_mac);
317 err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
89901972 318 if (err)
319 return err;
320 }
f70161c6 321 if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
322 int xmit_hash_policy =
323 nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
324
a4b32ce7
NA		 325 bond_opt_initval(&newval, xmit_hash_policy);
326 err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
f70161c6 327 if (err)
328 return err;
329 }
d8838de7 330 if (data[IFLA_BOND_RESEND_IGMP]) {
331 int resend_igmp =
332 nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
333
105c8fb6
NA		 334 bond_opt_initval(&newval, resend_igmp);
335 err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval);
d8838de7 336 if (err)
337 return err;
338 }
2c9839c1 339 if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
340 int num_peer_notif =
341 nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
342
ef56becb
NA		 343 bond_opt_initval(&newval, num_peer_notif);
344 err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
2c9839c1 345 if (err)
346 return err;
347 }
1cc0b1e3 348 if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
349 int all_slaves_active =
350 nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
351
3df01162
NA		 352 bond_opt_initval(&newval, all_slaves_active);
353 err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval);
1cc0b1e3 354 if (err)
355 return err;
356 }
7d101008 357 if (data[IFLA_BOND_MIN_LINKS]) {
358 int min_links =
359 nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
360
633ddc9e
NA		 361 bond_opt_initval(&newval, min_links);
362 err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
7d101008 363 if (err)
364 return err;
365 }
8d836d09 366 if (data[IFLA_BOND_LP_INTERVAL]) {
367 int lp_interval =
368 nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
369
4325b374
NA		 370 bond_opt_initval(&newval, lp_interval);
371 err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval);
8d836d09 372 if (err)
373 return err;
374 }
c13ab3ff 375 if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
376 int packets_per_slave =
377 nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
378
aa59d851
NA		 379 bond_opt_initval(&newval, packets_per_slave);
380 err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
c13ab3ff 381 if (err)
382 return err;
383 }
998e40bb 384 if (data[IFLA_BOND_AD_LACP_RATE]) {
385 int lacp_rate =
386 nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
387
d3131de7
NA		 388 bond_opt_initval(&newval, lacp_rate);
389 err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
998e40bb 390 if (err)
391 return err;
392 }
ec029fac 393 if (data[IFLA_BOND_AD_SELECT]) {
394 int ad_select =
395 nla_get_u8(data[IFLA_BOND_AD_SELECT]);
396
9e5f5eeb
NA		 397 bond_opt_initval(&newval, ad_select);
398 err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
ec029fac 399 if (err)
400 return err;
401 }
171a42c3
AG		 402 if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) {
403 int actor_sys_prio =
404 nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]);
405
406 bond_opt_initval(&newval, actor_sys_prio);
407 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval);
408 if (err)
409 return err;
410 }
171a42c3
AG		 411 if (data[IFLA_BOND_AD_USER_PORT_KEY]) {
412 int port_key =
413 nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]);
414
415 bond_opt_initval(&newval, port_key);
416 err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval);
417 if (err)
418 return err;
419 }
171a42c3
AG		 420 if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) {
421 if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN)
422 return -EINVAL;
423
424 bond_opt_initval(&newval,
425 nla_get_be64(data[IFLA_BOND_AD_ACTOR_SYSTEM]));
426 err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval);
427 if (err)
428 return err;
429 }
0f7bffd9
NA		 430 if (data[IFLA_BOND_TLB_DYNAMIC_LB]) {
431 int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]);
432
433 bond_opt_initval(&newval, dynamic_lb);
434 err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval);
435 if (err)
436 return err;
437 }
438
90af2311
JP		 439 return 0;
440}
441
442static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
7a3f4a18
MS		 443 struct nlattr *tb[], struct nlattr *data[],
444 struct netlink_ext_ack *extack)
90af2311
JP		 445{
446 int err;
447
ad744b22 448 err = bond_changelink(bond_dev, tb, data, extack);
90af2311
JP		 449 if (err < 0)
450 return err;
451
005db31d
BG		 452 err = register_netdevice(bond_dev);
453
454 netif_carrier_off(bond_dev);
ea8ffc08
MB		 455 if (!err) {
456 struct bonding *bond = netdev_priv(bond_dev);
457
458 bond_work_init_all(bond);
459 }
005db31d
BG		 460
461 return err;
90af2311
JP		 462}
463
464static size_t bond_get_size(const struct net_device *bond_dev)
465{
e139862e 466 return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e 467 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
468 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29 469 nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b 470 nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e 471 nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc 472 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10 473 /* IFLA_BOND_ARP_IP_TARGET */
288db0aa 474 nla_total_size(sizeof(struct nlattr)) +
7f28fa10 475 nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482 476 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254 477 nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1 478 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44 479 nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972 480 nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6 481 nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7 482 nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1 483 nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3 484 nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008 485 nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
8d836d09 486 nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
c13ab3ff 487 nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
998e40bb 488 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
ec029fac 489 nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
4ee7ac75 490 nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
491 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
492 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
493 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
494 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
495 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
171a42c3
AG		 496 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */
497 nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */
498 nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */
0f7bffd9 499 nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */
eecdaa6e 500 0;
90af2311
JP		 501}
502
e965f804
ED		 503static int bond_option_active_slave_get_ifindex(struct bonding *bond)
504{
505 const struct net_device *slave;
506 int ifindex;
507
508 rcu_read_lock();
509 slave = bond_option_active_slave_get_rcu(bond);
510 ifindex = slave ? slave->ifindex : 0;
511 rcu_read_unlock();
512 return ifindex;
513}
514
90af2311
JP		 515static int bond_fill_info(struct sk_buff *skb,
516 const struct net_device *bond_dev)
517{
518 struct bonding *bond = netdev_priv(bond_dev);
c13ab3ff 519 unsigned int packets_per_slave;
e965f804
ED		 520 int ifindex, i, targets_added;
521 struct nlattr *targets;
059b47e8 522 struct slave *primary;
90af2311 523
01844098 524 if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond)))
90af2311 525 goto nla_put_failure;
eecdaa6e 526
e965f804
ED		 527 ifindex = bond_option_active_slave_get_ifindex(bond);
528 if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex))
eecdaa6e 529 goto nla_put_failure;
530
531 if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
532 goto nla_put_failure;
533
25852e29 534 if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
535 bond->params.updelay * bond->params.miimon))
536 goto nla_put_failure;
537
c7461f9b 538 if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
539 bond->params.downdelay * bond->params.miimon))
540 goto nla_put_failure;
541
9f53e14e 542 if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
543 goto nla_put_failure;
544
06151dbc 545 if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
546 goto nla_put_failure;
547
7f28fa10 548 targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
549 if (!targets)
550 goto nla_put_failure;
551
552 targets_added = 0;
553 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
554 if (bond->params.arp_targets[i]) {
d62844a8
HL		 555 if (nla_put_be32(skb, i, bond->params.arp_targets[i]))
556 goto nla_put_failure;
7f28fa10 557 targets_added = 1;
558 }
559 }
560
561 if (targets_added)
562 nla_nest_end(skb, targets);
563 else
564 nla_nest_cancel(skb, targets);
565
29c49482 566 if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
567 goto nla_put_failure;
568
d5c84254 569 if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
570 bond->params.arp_all_targets))
571 goto nla_put_failure;
572
059b47e8
NA		 573 primary = rtnl_dereference(bond->primary_slave);
574 if (primary &&
575 nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex))
0a98a0d1 576 goto nla_put_failure;
577
8a41ae44 578 if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
579 bond->params.primary_reselect))
580 goto nla_put_failure;
581
89901972 582 if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
583 bond->params.fail_over_mac))
584 goto nla_put_failure;
585
f70161c6 586 if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
587 bond->params.xmit_policy))
588 goto nla_put_failure;
589
d8838de7 590 if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
591 bond->params.resend_igmp))
592 goto nla_put_failure;
593
2c9839c1 594 if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
595 bond->params.num_peer_notif))
596 goto nla_put_failure;
597
1cc0b1e3 598 if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
599 bond->params.all_slaves_active))
600 goto nla_put_failure;
601
7d101008 602 if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
603 bond->params.min_links))
604 goto nla_put_failure;
605
8d836d09 606 if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
607 bond->params.lp_interval))
608 goto nla_put_failure;
609
c13ab3ff 610 packets_per_slave = bond->params.packets_per_slave;
c13ab3ff 611 if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
612 packets_per_slave))
613 goto nla_put_failure;
614
998e40bb 615 if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
616 bond->params.lacp_fast))
617 goto nla_put_failure;
618
ec029fac 619 if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
620 bond->params.ad_select))
621 goto nla_put_failure;
622
0f7bffd9
NA		 623 if (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB,
624 bond->params.tlb_dynamic_lb))
625 goto nla_put_failure;
626
01844098 627 if (BOND_MODE(bond) == BOND_MODE_8023AD) {
4ee7ac75 628 struct ad_info info;
629
4cd6b475
MB		 630 if (capable(CAP_NET_ADMIN)) {
631 if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO,
632 bond->params.ad_actor_sys_prio))
633 goto nla_put_failure;
171a42c3 634
4cd6b475
MB		 635 if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY,
636 bond->params.ad_user_port_key))
637 goto nla_put_failure;
171a42c3 638
4cd6b475
MB		 639 if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
640 sizeof(bond->params.ad_actor_system),
641 &bond->params.ad_actor_system))
642 goto nla_put_failure;
643 }
4ee7ac75 644 if (!bond_3ad_get_active_agg_info(bond, &info)) {
645 struct nlattr *nest;
646
647 nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
648 if (!nest)
649 goto nla_put_failure;
650
651 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
652 info.aggregator_id))
653 goto nla_put_failure;
654 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
655 info.ports))
656 goto nla_put_failure;
657 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
658 info.actor_key))
659 goto nla_put_failure;
660 if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
661 info.partner_key))
662 goto nla_put_failure;
663 if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
664 sizeof(info.partner_system),
665 &info.partner_system))
666 goto nla_put_failure;
667
668 nla_nest_end(skb, nest);
669 }
670 }
671
90af2311
JP		 672 return 0;
673
674nla_put_failure:
675 return -EMSGSIZE;
676}
677
0a2a78c4
JP		 678struct rtnl_link_ops bond_link_ops __read_mostly = {
679 .kind = "bond",
680 .priv_size = sizeof(struct bonding),
681 .setup = bond_setup,
90af2311
JP		 682 .maxtype = IFLA_BOND_MAX,
683 .policy = bond_policy,
0a2a78c4 684 .validate = bond_validate,
90af2311
JP		 685 .newlink = bond_newlink,
686 .changelink = bond_changelink,
687 .get_size = bond_get_size,
688 .fill_info = bond_fill_info,
0a2a78c4
JP		 689 .get_num_tx_queues = bond_get_num_tx_queues,
690 .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
691 as for TX queues */
cea6aeb6
JP		 692 .slave_maxtype = IFLA_BOND_SLAVE_MAX,
693 .slave_policy = bond_slave_policy,
694 .slave_changelink = bond_slave_changelink,
3bad540e
JP		 695 .get_slave_size = bond_get_slave_size,
696 .fill_slave_info = bond_fill_slave_info,
0a2a78c4
JP		 697};
698
699int __init bond_netlink_init(void)
700{
701 return rtnl_link_register(&bond_link_ops);
702}
703
a729e83a 704void bond_netlink_fini(void)
0a2a78c4
JP		 705{
706 rtnl_link_unregister(&bond_link_ops);
707}
708
709MODULE_ALIAS_RTNL_LINK("bond");
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